1. Centro Oncologico Veterinario; Bologna Italy
2. Department of Veterinary Medical Sciences; University of Bologna; Bologna Italy
3. Department of Veterinary Medicine; University of Milan; Milan Italy
4. Clinica Tyrus; Terni Italy
5. Department of Comparative Biomedicine and Food Science; University of Padua; Padua Italy
6. Ospedale Veterinario Città di Pavia; Pavia Italy
7. Laboratorio La Vallonea; Lecce Italy